The Canadian-born pop star has become an industry to himself, valued by Forbes at $58 million. He released his first single at age 15, and in 2010, he became the youngest solo male artist to hit #1 on Billboards Hot 100, with My World 2.0, since Stevie Wonder. His high profile breakup earlier this year with fellow star and girlfriend of two years Selena Gomez landed him in gossip sections the world over, as did an altercation in March with a photographer.
The 16 Most Influential Teens of 2013
Justin Bieber, 19
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The 16 Most Influential Teens of 2013